In which Shin Ryujin texted random numbers to promote her idol's comeback. Little did she know she have already texted her ultimate bias, Hwang Yeji.

Shin Ryujin and Hwang Yeji were close friends growing up until one began to develop feelings and push the other away, unsure how to handle her emotions. A few years later, they are unexpectedly brought back into each other's lives. Forced to work on a project together, Ryujin realizes that the feelings she thought died never actually did.